<div dir="ltr"><div>This is really interesting. But how many fields in Book could be? I'm afraid there could be a problem for time and memory consumption by compiler. Isn't it?</div><div><br></div><div>Best regards,</div><div>Dmitry</div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-08-24 22:39 GMT+03:00 Julian Arni <span dir="ltr"><<a href="mailto:jkarni@turingjump.com" target="_blank">jkarni@turingjump.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I was playing around with GHC 8 yesterday, and ended up writing another<br>
extensible records library:<br>
<br>
    <a href="https://hackage.haskell.org/package/bookkeeper" rel="noreferrer" target="_blank">https://hackage.haskell.org/<wbr>package/bookkeeper</a><br>
<br>
And a blog post about it:<br>
<br>
    <a href="https://turingjump.com/blog/bookkeeper/" rel="noreferrer" target="_blank">https://turingjump.com/blog/<wbr>bookkeeper/</a><br>
<br>
<br>
I hope someone finds this useful!<br>
<br>
--<br>
Julian K. Arni<br>
Haskell Consultant, Turing Jump<br>
<a href="https://turingjump.com" rel="noreferrer" target="_blank">https://turingjump.com</a><br>
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